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v3.22.2.2

Investments - Cost or Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | $ 1,150,524 | $ 1,061,192 |
Allowance for Expected Credit Losses | (724) | (489) | $ (186)
Gross Unrealized Gains | 105 | 1,129 |
Gross Unrealized Losses | (153,122) | (21,377) |
Fair Value | 996,783 | 1,040,455 |
U.S. government obligations and agencies |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 12,602 | 27,076 |
Allowance for Expected Credit Losses | 0 | 0 |
Gross Unrealized Gains | 0 | 64 |
Gross Unrealized Losses | (1,004) | (334) |
Fair Value | 11,598 | 26,806 |
Corporate bonds |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 781,131 | 687,058 |
Allowance for Expected Credit Losses | (589) | (371) |
Gross Unrealized Gains | 42 | 843 |
Gross Unrealized Losses | (105,221) | (13,725) |
Fair Value | 675,363 | 673,805 |
Mortgage-backed and asset-backed securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 332,444 | 322,844 |
Allowance for Expected Credit Losses | 0 | 0 |
Gross Unrealized Gains | 63 | 194 |
Gross Unrealized Losses | (42,774) | (6,920) |
Fair Value | 289,733 | 316,118 |
Municipal bonds |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 14,924 | 14,925 |
Allowance for Expected Credit Losses | 0 | (1) |
Gross Unrealized Gains | 0 | 0 |
Gross Unrealized Losses | (2,486) | (350) |
Fair Value | 12,438 | 14,574 |
Redeemable preferred stock |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 9,423 | 9,289 |
Allowance for Expected Credit Losses | (135) | (117) | $ (38)
Gross Unrealized Gains | 0 | 28 |
Gross Unrealized Losses | (1,637) | (48) |
Fair Value | $ 7,651 | $ 9,152 |

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